exam Maths Puzzle Numerical Ability

Factor Completely:
y^4-16
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exam Other Question

2 is what percent of 2.5?

Is this correct?
2/100= 0.02
0.02*2.5=0.05
0.05*100=5
The value of the penguin fund grew annually for 5 years as follows:
$20.00 (starting value), $23.57, $22.50, $25.95, $29.40, $31.00.
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A. Make a scatter plot for the above data